# Raspberry Pi RS485 HAT — hardware version V4

> This is a 3-in-1 UART to RS485 converter. Can be used as a Raspberry Pi Hat, can connect to Arduino, and can connect to a computer via USB. It contains a CP2102N chip.

Canonical page: https://9o.at/products/rph1/v4
Product code: RPH1. Hardware version: V4.

## Documents
- Datasheet (English): https://raw.githubusercontent.com/vladsomai/test_line_following_robot/main/Products/R1/V1/user-manual.pdf
- Schematic (PDF): https://raw.githubusercontent.com/tomrodinger/Raspberry_Pi_HAT_RS485/main/PCB/V4/schematic.pdf
- Hardware design files on GitHub: https://github.com/tomrodinger/Raspberry_Pi_HAT_RS485/tree/main/PCB/V4
- Python API reference (Markdown): https://9o.at/docs/python.md
- Arduino API reference (Markdown): https://9o.at/docs/arduino.md
- MCP server (drive the motor from an AI assistant): https://github.com/Gearotons/servomotor-mcp
- Store: https://gearotons.com/store

## Firmware
No firmware files are published for this hardware version.